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Revert "Fake dirty loggin when it's not there"

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This reverts commit bd83677612.

PPC should just implement dirty logging so we can avoid all the fall-out from
this changeset.

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Anthony Liguori 2009-07-27 15:23:59 -05:00
parent 925ce05f81
commit 6e489f3f88
1 changed files with 1 additions and 12 deletions
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13
kvm-all.c
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@ -318,7 +318,6 @@ int kvm_physical_sync_dirty_bitmap(target_phys_addr_t start_addr,
KVMDirtyLog d;
KVMSlot *mem;
int ret = 0;
int r;
d.dirty_bitmap = NULL;
while (start_addr < end_addr) {
@ -327,11 +326,6 @@ int kvm_physical_sync_dirty_bitmap(target_phys_addr_t start_addr,
break;
}
/* We didn't activate dirty logging? Don't care then. */
if(!(mem->flags & KVM_MEM_LOG_DIRTY_PAGES)) {
continue;
}
size = ((mem->memory_size >> TARGET_PAGE_BITS) + 7) / 8;
if (!d.dirty_bitmap) {
d.dirty_bitmap = qemu_malloc(size);
@ -343,8 +337,7 @@ int kvm_physical_sync_dirty_bitmap(target_phys_addr_t start_addr,
d.slot = mem->slot;
r = kvm_vm_ioctl(s, KVM_GET_DIRTY_LOG, &d);
if (r == -EINVAL) {
if (kvm_vm_ioctl(s, KVM_GET_DIRTY_LOG, &d) == -1) {
dprintf("ioctl failed %d\n", errno);
ret = -1;
break;
@ -358,10 +351,6 @@ int kvm_physical_sync_dirty_bitmap(target_phys_addr_t start_addr,
if (test_le_bit(nr, bitmap)) {
cpu_physical_memory_set_dirty(addr);
} else if (r < 0) {
/* When our KVM implementation doesn't know about dirty logging
* we can just assume it's always dirty and be fine. */
cpu_physical_memory_set_dirty(addr);
}
}
start_addr = phys_addr;